{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the future development directions of blockchain?","a":"Talent cultivation: Blockchain professionals will  become a urgently needed scarce resource in the future market."}]}],"pr":"46980e3ba1e483a86188f7b802843cec186fcb3ce95e9fe3158cdd424bcaf5f1"}